<template>
  <div id="app">
    <div>
      <div style="display: inline-block" v-for="item in arr" :key="item.id">
        <input type="checkbox" @click="add" v-modal="arr"/>
         <!-- <input type="checkout" :value="arr.item" @input="arr = $event.target.value"> -->
        <span>{{ item }}</span>
      </div>
      <p>你选中的元素, 累加的值和为: {{ total }}</p>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      arr: [9, 15, 19, 25, 29, 31, 48, 57, 62, 79, 87],
    };
  },
  computed: {
    total() {
      return this.arr.reduce((t, c) => t + c, 0);
    },
    all: {
      get() {
        return this.arr.every((item) => item);
      },
    },
  },
  methods: {
    add() {
      console.log(12);
    },
  },
};
</script>

<style></style>
